13218381090

Names of 13218381090

• Cardinal: 13218381090 can be written as Thirteen billion, two hundred eighteen million, three hundred eighty-one thousand and ninety.

Scientific notation

• Scientific notation: 1.321838109 × 10¹⁰

Factors of 13218381090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 205

Divisors of 13218381090

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 31 45 54 62 67 81 90 93 97 134 135 155 162 186 194 201 243 270 279 291 310 335 402 405 465 485 486 558 582 603 670 729 810 837 873 930 970 1005 1206 1215 1395 1455 1458 1674 1746 1809 2010 2077 2187 2430 2511 2619 2790 2910 3007 3015 3618 3645 4154 4185 4365 4374 5022 5238 5427 6014 6030 6231 6499 6561 7290 7533 7857 8370 8730 9021 9045 10385 10854 10935 12462 12555 12998 13095 13122 15035 15066 15714 16281 18042 18090 18693 19497 20770 21870 22599 23571 25110 26190 27063 27135 30070 31155 32495 32562 32805 37386 37665 38994 39285 45105 45198 47142 48843 54126 54270 56079 58491 62310 64990 65610 67797 70713 75330 78570 81189 81405 90210 93465 97485 97686 112158 112995 116982 117855 135315 135594 141426 146529 162378 162810 168237 175473 186930 194970 201469 203391 212139 225990 235710 243567 244215 270630 280395 292455 293058 336474 338985 350946 353565 402938 405945 406782 424278 439587 487134 488430 504711 526419 560790 584910 604407 636417 677970 707130 730701 732645 811890 841185 877365 879174 1007345 1009422 1016955 1052838 1060695 1208814 1217835 1272834 1461402 1465290 1514133 1579257 1682370 1754730 1813221 2014690 2033910 2121390 2192103 2197935 2435670 2523555 2632095 3022035 3028266 3158514 3182085 3626442 3653505 4384206 4395870 4542399 4737771 5047110 5264190 5439663 6044070 6364170 6576309 7307010 7570665 7896285 9066105 9084798 9475542 10879326 10960515 13152618 13627197 14213313 15141330 15792570 16318989 18132210 19728927 21921030 22711995 23688855 27198315 27254394 28426626 32637978 32881545 39457854 42639939 45423990 47377710 48956967 54396630 65763090 68135985 71066565 81594945 85279878 97913934 98644635 136271970 142133130 146870901 163189890 197289270 213199695 244784835 293741802 426399390 440612703 489569670 734354505 881225406 1321838109 1468709010 2203063515 2643676218 4406127030 6609190545 13218381090
• Sum of all divisors σ(n): 37774324224
• Sum of proper divisors (its aliquot sum) s(n): 24555943134
• 13218381090 is an abundant number, because the sum of its proper divisors (24555943134) is greater than itself. Its abundance is 11337562044

Bases of 13218381090

• Binary: 1100010011111000000111110100100010₂
• Hexadecimal: 0x313E07D22
• Base-36: 62LVS4I

Squares and roots of 13218381090

• 13218381090 squared (13218381090²) is 174725598640469588100
• 13218381090 cubed (13218381090³) is 2309589549008112912061129029000
• The square root of 13218381090 is 114971.2185288127
• The cube root of 13218381090 is 2364.4279772183

Scales and comparisons

• 13,218,381,090 seconds is equal to 420 years, 15 weeks, 5 days, 12 hours, 31 minutes, 30 seconds.
• To count from 1 to 13,218,381,090 would take you about eight hundred forty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13218381090 cubic inches would be around 197 feet tall.

Recreational maths with 13218381090

• 13218381090 backwards is 09018381231
• The number of decimal digits it has is: 11
• The sum of 13218381090's digits is 36
• More coming soon!